/*
 * Copyright ${inceptionYear} - ${year} ${owner}
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jetbrains.exodus.util;

import org.junit.Assert;
import org.junit.Test;

public class MathTest {

    @Test
    public void testLog() {
        int power = 1;
        int expected = 0;
        for (int i = 0; i < 10000; i++) {
            Assert.assertEquals(expected, MathUtil.integerLogarithm(i));
            if (i == power) {
                power <<= 1;
                expected++;
            }
        }
    }
}
